Buhari appoints new head for federal agencies

I'm happy to help! However, I need more information to provide a specific answer. Could you please provide more context or details about the appointment you're referring to? For example:

• Which federal agencies are being headed by new appointees?
• Who are the new appointees?
• When were they appointed?
• What are their backgrounds and qualifications?

With more information, I can provide a more accurate and informative response.